What is the main source of energy for a food web?
the sun
What is food chain and food web?
A food chain outlines who eats whom. A food web is all of the food chains in an ecosystem. Each organism in an ecosystem occupies a specific trophic level or position in the food chain or web. Producers, who make their own food using photosynthesis or chemosynthesis, make up the bottom of the trophic pyramid.
How do you explain a food web?
Basically, food web represents feeding relationships within a community (Smith and Smith 2009). It also implies the transfer of food energy from its source in plants through herbivores to carnivores (Krebs 2009). Normally, food webs consist of a number of food chains meshed together.
How do you describe a food web?
A food web (or food cycle) is the natural interconnection of food chains and a graphical representation (usually an image) of what-eats-what in an ecological community. Some of the organic matter eaten by heterotrophs, such as sugars, provides energy.
What is a food web examples?
eg: A hawk eats a snake, which has eaten a frog, which has eaten a grasshopper, which has eaten grass. A food web shows the many different paths plants and animals are connected. eg: A hawk might also eat a mouse, a squirrel, a frog or some other animal. And so on for all the other animals in the food chain.
How many types of consumers are there?
The four types of consumers in ecology are herbivores, carnivores, omnivores, and decomposers.
What are the five levels of consumers?
Trophic Levels
| Trophic Level | Where It Gets Food |
|---|---|
| 1st Trophic Level: Producer | Makes its own food |
| 2nd Trophic Level: Primary Consumer | Consumes producers |
| 3rd Trophic Level: Secondary Consumer | Consumes primary consumers |
| 4th Trophic Level: Tertiary Consumer | Consumes secondary consumers |